------------[ cut here ]------------ WARNING: CPU: 1 PID: 3754 at kernel/events/core.c:3752 ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 Modules linked in: CPU: 1 PID: 3754 Comm: syz-executor.0 Not tainted 5.12.0-rc8-syzkaller-00194-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 ra : ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 epc : ffffffe00027a674 ra : ffffffe00027a674 sp : ffffffe00ab075a0 gp : ffffffe004588c00 tp : ffffffe005890000 t0 : 0000000000000000 t1 : 0000000000000001 t2 : 000000003c414d4d s0 : ffffffe00ab07610 s1 : ffffffe00fc0c400 a0 : ffffffe066d79118 a1 : 00000000000f0000 a2 : 0000000000000002 a3 : ffffffe00027a674 a4 : ffffffe005891000 a5 : 0000000040000000 a6 : 0000000000f00000 a7 : ffffffe000281354 s2 : 0000000000000007 s3 : ffffffe00fc0c540 s4 : ffffffe005890000 s5 : 0000000000000002 s6 : ffffffe00458c0d0 s7 : ffffffe066d78f70 s8 : 0000000000000007 s9 : ffffffe066d79118 s10: ffffffe00fc0c400 s11: ffffffe00fc0c408 t3 : 6fa4ae5042a73000 t4 : ffffffc400b37767 t5 : ffffffc400b3776f t6 : ffffffe00b282026 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 [] perf_event_sched_in+0x38/0x74 kernel/events/core.c:2680 [] perf_event_context_sched_in kernel/events/core.c:3817 [inline] [] __perf_event_task_sched_in+0x4ea/0x680 kernel/events/core.c:3860 [] perf_event_task_sched_in include/linux/perf_event.h:1210 [inline] [] finish_task_switch.isra.0+0x284/0x318 kernel/sched/core.c:4189 [] context_switch kernel/sched/core.c:4325 [inline] [] __schedule+0x484/0xe8c kernel/sched/core.c:5073 [] preempt_schedule_irq+0x4a/0x13e kernel/sched/core.c:5530 [] resume_kernel+0x16/0x18